Question: What is taxonomy of goldfish
Paraphrase: What is scientific classification of goldfish
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P171 wd:Q123141 . ?sbj wdt:P31 wd:Q16521 } 
Answer: Carassius auratus argenteaphthalmus, Carassius auratus buergeri, Carassius auratus grandoculis, Carassius auratus langsdorfii, Carassius auratus auratus, Carassius auratus cuvieri, Carassius auratus gibelio